function criaAJAX(){
    if (window.XMLHttpRequest)
    {// Codigo para IE7+, Firefox, Chrome, Opera, Safari
        return new XMLHttpRequest();
    }
    else
    {// Codigo para IE6, IE5
        return new ActiveXObject("Microsoft.XMLHTTP");
    }
}
function MM_swapImgRestore() { //v3.0
    var i,x,a=document.MM_sr;
    for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
    var d=document;
    if(d.images){
        if(!d.MM_p) d.MM_p=new Array();
        var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
        for(i=0; i<a.length; i++)
            if (a[i].indexOf("#")!=0){
                d.MM_p[j]=new Image;
                d.MM_p[j++].src=a[i];
            }
    }
}

function MM_findObj(n, d) { //v4.01
    var p,i,x;
    if(!d) d=document;
    if((p=n.indexOf("?"))>0&&parent.frames.length) {
        d=parent.frames[n.substring(p+1)].document;
        n=n.substring(0,p);
    }
    if(!(x=d[n])&&d.all) x=d.all[n];
    for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n);
    return x;
}

function MM_swapImage() { //v3.0
    var i,j=0,x,a=MM_swapImage.arguments;
    document.MM_sr=new Array;
    for(i=0;i<(a.length-2);i+=3)
        if ((x=MM_findObj(a[i]))!=null){
            document.MM_sr[j++]=x;
            if(!x.oSrc) x.oSrc=x.src;
            x.src=a[i+2];
        }
}





function inicio(){
    var xmlhttp = criaAJAX();
    
    xmlhttp.onreadystatechange=function()
    {
     
        if (xmlhttp.readyState==4 && xmlhttp.status==200)
        {
           
            document.getElementById("conteudo").innerHTML=xmlhttp.responseText;
            document.getElementById("user").focus();
            titulo("Identificação");
        }              
    
    }   
    xmlhttp.open("GET",'./core.php?op=inicio',true);
    xmlhttp.send();
    
}
function logar(){
    var user = document.getElementById("user").value;
    var pass = document.getElementById("pass").value;
   
    var xmlhttp = criaAJAX();
    xmlhttp.onreadystatechange=function()
    {
     
        if (xmlhttp.readyState==4 && xmlhttp.status==200)
        {
            temp = xmlhttp.responseText.split('+');
          
        
            if(temp[0]==0){
                document.getElementById("erro").innerHTML=temp[1];
            }else{
               
                document.getElementById("conteudo").innerHTML=temp[1];
                titulo("HOME");
                 
            }
        }              
    
    }   
    xmlhttp.open("GET",'./core.php?op=logar&user='+user+'&pass='+pass,true);
    xmlhttp.send();
//window.location.reload( true );
    
}


function logout(){
    
    var xmlhttp = criaAJAX();
    xmlhttp.onreadystatechange=function()
    {
     
        if (xmlhttp.readyState==4 && xmlhttp.status==200)
        {
            document.getElementById("conteudo").innerHTML=xmlhttp.responseText;
            titulo("Identificação");
        }              
    
    }   
    xmlhttp.open("GET",'./core.php?op=logout',true);
    xmlhttp.send();
}
function titulo(titele){
    window.parent.document.title = titele;
}

function opcao(op, subop){
    
   
    var xmlhttp = criaAJAX();

    xmlhttp.onreadystatechange=function()
    {
     
        if (xmlhttp.readyState==4 && xmlhttp.status==200)
        {
            temp = xmlhttp.responseText.split('+');
            
            if(temp[0]==0){
                inicio();
            }else{
                document.getElementById("conteudo").innerHTML=temp[1];
                titulo(temp[0]);
            }
        }              
    
    }   
    xmlhttp.open("GET",'./core.php?op=menu&opcao='+op+'&subop='+subop,true);
    xmlhttp.send();
}

function alerta(){
    alert("opa");
}
